Mick Mulvaney says a "political hit job" is not a reason for the US President's tax returns to be reviewed, re-opening an ongoing confrontation between the Trump administration and Congress.
In clandestine businesses known as click farms spread out across the world, fake profiles, likes, shares, and views are being manufactured and sold to social media influencers, businesses, and even politicians.
It appears special counsel Robert Mueller has left a twist in the tail of his report that will prevent this sorry saga from being finally put to rest, writes Washington bureau chief Zoe Daniel.
Hillary Clinton's former campaign chairman John Podesta, who had his emails hacked by Russian agents in 2016, discusses "the weaponisation" of intelligence and what it will take to beat Donald Trump in 2020.
As US President Donald Trump reverses his statements expressing confidence in the safety of Boeing's 737 MAX jets and orders them grounded, the US aircraft manufacturer itself recommends the move.
Despite most of the fighting ending with the signing of an armistice back in July 1953, Australia is still officially at war with North Korea — and few people are aware of our continuing obligations, writes Philip Williams.
A trade deal is on the cards, but uncertainty that has rattled global markets and caused the International Monetary Fund to downgrade its global growth forecasts is likely to continue for some time, UBS anlaysts say.
National security adviser John Bolton is considered one of the most powerful figures inside the Trump administration, and the ABC can reveal he'll soon visit Australia.
America's former foe Vietnam will host the summit between Donald Trump and Kim Jong-un later this month, but there's more than just symbolism at play in the choice of venue, an expert says.
The US President says he will meet with his Chinese counterpart soon to try to seal a comprehensive trade deal, as Mr Trump and his top trade negotiator both cite substantial progress in two days of high-level talks.